Vent pipe using ultraviolet light for purification of discharge gases



FIG. 1 is a front perspective view of the vent pipe according to the present invention installed on the roof of a building. A fragmentary portion of the roof is shown for environmental purposes only and does not form any part of the claimed design;

FIG. 2 is a back, perspective view of the vent pipe according to FIG. 1 installed on the roof of a building. A fragmentary portion of the roof is shown for environmental purposes only and does not form any part of the claimed design;

FIG. 3 is a left side elevation view of the vent pipe;

FIG. 4 is a front elevation view of the vent pipe;

FIG. 5 is a rear elevation view of the vent pipe;

FIG. 6 is a right side elevation view of the vent pipe;

FIG. 7 is a top plan view of the vent pipe;

FIG. 8 is a bottom plan view of the vent pipe. The building sewage vent shown in broken lines is for environmental purposes only and does not form part of the claimed design;

FIG. 9 is a top plan view with the top cover removed;

FIG. 10 is a closeup view of the electrical junction box in which controls for UV lights are housed. Controls are shown for environmental purposes only and do not form part of the claimed design;

FIG. 11 is a cross section view taken along line 11—11 of FIG. 7. The building sewage vent is shown in broken lines is for environmental purposes only and does not form part of the claimed design; and,

FIG. 12 is an exploded view of the vent pipe. 

The ornamental design for a vent pipe using ultraviolet light for the purification of discharge gases, as shown and described. 